Molecular weight of crude petroleum may be around________________?

Related Mcqs:

1. Percentage of straight run gasoline in a typical crude oil may be around________________?

   A. 6
   B. 18
   C. 38
   D. 52

2. Carbon percentage (by weight) in crude petroleum may be about_________________?

   A. 65
   B. 75
   C. 85
   D. 95

3. Hydrogen percentage (by weight) in crude petroleum may be about __________________?

   A. 5
   B. 15
   C. 25
   D. 35

4. Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ______________ kcal/kg?

   A. 600-750
   B. 250-350
   C. 1000-1500
   D. 2000-2500

5. Paraffin base crude oil as compared to asphalt base crude gives___________________?

   A. Higher yield of straight run gasoline
   B. Higher octane number gasoline
   C. Lower viscosity index lube oil
   D. Poorer yield of lube oil

6. Sour crude means the ________________ bearing crude?

   A. Asphalt
   B. Sulphur compounds
   C. Wax
   D. Nitrogen compounds

7. During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) ________________ with increase in the amount of water?

   A. Decreases
   B. Increases
   C. Remains unchanged
   D. Decreases linearly

8. _____________ base crude oil is also called asphaltic crude?

   A. Paraffinic
   B. Naphthenic
   C. Mixed
   D. Aromatic

9. Crude oils containing more than ____________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?

   A. 1
   B. 5
   C. 15
   D. 25

10. Molecular weight of petrol may be about ____________________?

    A. 40-60
    B. 100-130
    C. 250-300
    D. 350-400